qcacmn: Fix array out of bound

The channel array is being over indexed by 1. Update the for loop
to stay within the array bounds, and make it more resilient in case
of future changes to the array size.

Change-Id: I09f140fdb6a25283db5d34d405bf030a67caefd5
CRs-Fixed: 2668363

umac/scan/core/src/wlan_scan_cache_db.c

@@ -80,7 +80,7 @@ struct meta_rnr_channel *scm_get_chan_meta(struct wlan_objmgr_psoc *psoc,
 	if (!rnr_channel_db)
 		return NULL;
 
-	for (i = 0; i <= NUM_6GHZ_CHANNELS; i++)
+	for (i = 0; i < QDF_ARRAY_SIZE(rnr_channel_db->channel); i++)
 		if (rnr_channel_db->channel[i].chan_freq == chan_freq)
 			return &rnr_channel_db->channel[i];
 
@@ -1570,7 +1570,7 @@ QDF_STATUS scm_channel_list_db_init(struct wlan_objmgr_psoc *psoc)
 	if (!rnr_channel_db)
 		return QDF_STATUS_E_INVAL;
 
-	for (j = 0; j < NUM_6GHZ_CHANNELS; j++) {
+	for (j = 0; j < QDF_ARRAY_SIZE(rnr_channel_db->channel); j++) {
 		if (i >= min_freq && i <= max_freq)
 			rnr_channel_db->channel[j].chan_freq = i;
 		i += 20;
@@ -1593,7 +1593,7 @@ QDF_STATUS scm_channel_list_db_deinit(struct wlan_objmgr_psoc *psoc)
 	if (!rnr_channel_db)
 		return QDF_STATUS_E_INVAL;
 
-	for (i = 0; i < NUM_6GHZ_CHANNELS; i++) {
+	for (i = 0; i < QDF_ARRAY_SIZE(rnr_channel_db->channel); i++) {
 		channel = &rnr_channel_db->channel[i];
 		channel->chan_freq = 0;
 		channel->beacon_probe_last_time_found = 0;
@@ -1632,7 +1632,7 @@ QDF_STATUS scm_rnr_db_flush(struct wlan_objmgr_psoc *psoc)
 	if (!rnr_channel_db)
 		return QDF_STATUS_E_INVAL;
 
-	for (i = 0; i < NUM_6GHZ_CHANNELS; i++) {
+	for (i = 0; i < QDF_ARRAY_SIZE(rnr_channel_db->channel); i++) {
 		channel = &rnr_channel_db->channel[i];
 		cur_node = NULL;
 		qdf_list_peek_front(&channel->rnr_list, &cur_node);